I followed this tutorial which led me here:
http://navinpeiris.com/2011/10/17/appcelerator-titanium-javascript-code-completion-in-intellij/
Everything worked great except documentation was not appearing in the popup window. Opening the titanium-mobile-alloy-3.4.0.js file gave this error:

I wonder if it's worth splitting (a) finding a way around this limit or (b) splitting the js file into parts?
What do you think?